Surveillance video at a Northern California grocery store shows a woman picking out items in the produce section before reaching for another shopper's wallet and walking away.

Police said wallet snatcher may be connected to several similar thefts in other area grocery stores.

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"This is why it's so important to keep your purse closed and under your control at all times," Roseville police said in a Facebook post. "Never leave it out of your sight on the back of your chair in a restaurant or in your grocery cart, even for a second."